-/* $XFree86: xc/lib/GL/mesa/src/drv/r200/r200_texmem.c,v 1.5 2002/12/17 00:32:56 dawes Exp $ */
/**************************************************************************
Copyright (C) Tungsten Graphics 2002. All Rights Reserved.
#include "context.h"
#include "colormac.h"
#include "macros.h"
-#include "radeon_reg.h" /* gets definition for usleep */
#include "r200_context.h"
-#include "r200_state.h"
#include "r200_ioctl.h"
-#include "r200_swtcl.h"
#include "r200_tex.h"
+#include "radeon_reg.h"
#include <unistd.h> /* for usleep() */
/* Blit to framebuffer
*/
- r200EmitBlit( rmesa,
- blit_format,
- dstPitch, GET_START( ®ion ),
- dstPitch, t->bufAddr,
- 0, 0,
- 0, done,
+ r200EmitBlit( rmesa,
+ blit_format,
+ dstPitch, GET_START( ®ion ),
+ dstPitch | (t->tile_bits >> 16),
+ t->bufAddr,
+ 0, 0,
+ 0, done,
width, lines );
r200EmitWait( rmesa, RADEON_WAIT_2D );
imageWidth = texImage->Width;
imageHeight = texImage->Height;
- offset = t->bufAddr;
+ offset = t->bufAddr + t->base.totalSize / 6 * face;
if ( R200_DEBUG & (DEBUG_TEXTURE|DEBUG_IOCTL) ) {
GLint imageX = 0;
* We used to use 1, 2 and 4-byte texels and used to use the texture
* width to dictate the blit width - but that won't work for compressed
* textures. (Brian)
+ * NOTE: can't do that with texture tiling. (sroland)
*/
tex.offset = offset;
- tex.pitch = BLIT_WIDTH_BYTES / 64;
- tex.format = R200_TXFORMAT_I8; /* any 1-byte texel format */
+ tex.image = &tmp;
+ /* copy (x,y,width,height,data) */
+ memcpy( &tmp, &t->image[face][hwlevel], sizeof(tmp) );
+
if (texImage->TexFormat->TexelBytes) {
- tex.width = imageWidth * texImage->TexFormat->TexelBytes; /* in bytes */
+ /* use multi-byte upload scheme */
tex.height = imageHeight;
+ tex.width = imageWidth;
+ tex.format = t->pp_txformat & R200_TXFORMAT_FORMAT_MASK;
+ if (tex.format == R200_TXFORMAT_ABGR8888) {
+ /* drm will refuse abgr8888 textures. */
+ tex.format = R200_TXFORMAT_ARGB8888;
+ }
+ tex.pitch = MAX2((texImage->Width * texImage->TexFormat->TexelBytes) / 64, 1);
+ tex.offset += tmp.x & ~1023;
+ tmp.x = tmp.x % 1024;
+ if (t->tile_bits & R200_TXO_MICRO_TILE) {
+ /* need something like "tiled coordinates" ? */
+ tmp.y = tmp.x / (tex.pitch * 128) * 2;
+ tmp.x = tmp.x % (tex.pitch * 128) / 2 / texImage->TexFormat->TexelBytes;
+ tex.pitch |= RADEON_DST_TILE_MICRO >> 22;
+ }
+ else {
+ tmp.x = tmp.x >> (texImage->TexFormat->TexelBytes >> 1);
+ }
+ if ((t->tile_bits & R200_TXO_MACRO_TILE) &&
+ (texImage->Width * texImage->TexFormat->TexelBytes >= 256) &&
+ ((!(t->tile_bits & R200_TXO_MICRO_TILE) && (texImage->Height >= 8)) ||
+ (texImage->Height >= 16))) {
+ /* weird: R200 disables macro tiling if mip width is smaller than 256 bytes,
+ OR if height is smaller than 8 automatically, but if micro tiling is active
+ the limit is height 16 instead ? */
+ tex.pitch |= RADEON_DST_TILE_MACRO >> 22;
+ }
}
else {
- tex.width = imageWidth; /* compressed */
- tex.height = imageHeight;
- if (tex.height < 4)
- tex.height = 4;
+ /* In case of for instance 8x8 texture (2x2 dxt blocks), padding after the first two blocks is
+ needed (only with dxt1 since 2 dxt3/dxt5 blocks already use 32 Byte). */
+ /* set tex.height to 1/4 since 1 "macropixel" (dxt-block) has 4 real pixels. Needed
+ so the kernel module reads the right amount of data. */
+ tex.format = R200_TXFORMAT_I8; /* any 1-byte texel format */
+ tex.pitch = (BLIT_WIDTH_BYTES / 64);
+ tex.height = (imageHeight + 3) / 4;
+ tex.width = (imageWidth + 3) / 4;
+ switch (t->pp_txformat & R200_TXFORMAT_FORMAT_MASK) {
+ case R200_TXFORMAT_DXT1:
+ tex.width *= 8;
+ break;
+ case R200_TXFORMAT_DXT23:
+ case R200_TXFORMAT_DXT45:
+ tex.width *= 16;
+ break;
+ default:
+ fprintf(stderr, "unknown compressed tex format in uploadSubImage\n");
+ }
}
- tex.image = &tmp;
-
- /* copy (x,y,width,height,data) */
- memcpy( &tmp, &t->image[face][hwlevel], sizeof(tmp) );
- /* Adjust the base offset to account for the Y-offset. This is done,
- * instead of just letting the Y-offset automatically take care of it,
- * because it is possible, for very large textures, for the Y-offset
- * to exceede the [-8192,+8191] range.
- */
- tex.offset += tmp.y * 1024;
- tmp.y = 0;
-
LOCK_HARDWARE( rmesa );
do {
ret = drmCommandWriteRead( rmesa->dri.fd, DRM_RADEON_TEXTURE,
fprintf(stderr, "DRM_RADEON_TEXTURE: again!\n");
usleep(1);
}
- } while ( ret && errno == EAGAIN );
+ } while ( ret == -EAGAIN );
UNLOCK_HARDWARE( rmesa );
t->bufAddr = rmesa->r200Screen->texOffset[heap]
+ t->base.memBlock->ofs;
t->pp_txoffset = t->bufAddr;
-
+
+ if (!(t->base.tObj->Image[0][0]->IsClientData)) {
+ /* hope it's safe to add that here... */
+ t->pp_txoffset |= t->tile_bits;
+ }
/* Mark this texobj as dirty on all units:
*/
projects / mesa.git / blobdiff